Kent Police said that more than a hundred people were stuck for more than four hours on the A2 at Lydden near Dover after a lorry jack-knifed.
Once the lorry was cleared from the countbound carriageway, snow drifts built up, in some places up to a metre high due to strong winds.
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Wednesday morning's weather for the west of the region
Wednesday morning's weather for the east of the region
A school in Sussex has been chosen to pilot a new type of 'first aid' training for children's mental health